Expansion of 1/sqrt((1+x)^3 * (1-7*x)).

Terms

a(0) =1a(1) =2a(2) =15a(3) =84a(4) =525a(5) =3318a(6) =21371a(7) =139240a(8) =915417a(9) =6060330a(10) =40345767a(11) =269825724a(12) =1811432805a(13) =12200012958a(14) =82394389395a(15) =557794589904